ADLINK MXC-4000 Series - Manual (Page 63)

BIOS Settings and Driver Installation 53
Matrix MXC-4000 Series
User’s Manual
4.1.3.2 South Bridge Configuration
USB Function
Specify the number of USB ports enabled in Matrix controller.
The default value is 8 USB ports.
USB 2.0 Controller
This option depends on the setting of USB Function. If USB
Function is set to Disabled, this option will have no effect.
Enabled will open USB 2.0 functionality to all USB ports.
Restore on Power Loss
Determines what state the computer enters when power is
restored after a power loss. The options for this value are Last
State, Power On and Power Off.
Option Description
Power Off
The Matrix controller remains off when external DC
power is supplied.
Power On
The Matrix controller is turn on when external DC
power is supplied. You can specify this option to mimic
the AT power behavior, and use an external switch to
control the on/off of Matrix controller.
Last State
If encountering a power loss, the Matrix controller
resumes to the previous on/off state when external
power is normally supplied.
Table 4-4: Restore on Power Loss